There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 10AM to 5AM | 7PM to 2PM | 11AM to 11PM |
| 11AM to 2PM | 9AM to 1AM | 9AM to 10PM |
| 4AM to 7PM | 8PM to 2PM | 10AM to 9AM |
| 11AM to 1PM | 5AM to 1PM | 4PM to 12AM |
| 5AM to 11PM | 7PM to 5PM | 6PM to 11PM |
| 8AM to 10AM | 9AM to 10PM | 5PM to 4PM |
